<?php
  
  if(isset($_GET["page"])){
    $page=$_GET["page"];
  }
  else{
    $page=1;
  }

  $url = "http://japi.juhe.cn/joke/img/text.from";
  $params = array(
        "page" => $page,//当前页数,默认1
        "pagesize" => "5",//每次返回条数,默认1,最大20
        "key" => "c8613f44d39cf50e5e9e0c23b265bb6e",//您申请的key
  );
  $paramstring = http_build_query($params);
  $content = juhecurl($url,$paramstring);
  $result = json_decode($content,true);
  if($result){
      if($result['error_code']=='0'){
          echo json_encode($result);
      }else{
          echo $result['error_code'].":".$result['reason'];
      }
  }else{
      echo "请求失败";
  }

  /**
 * 请求接口返回内容
 * @param  string $url [请求的URL地址]
 * @param  string $params [请求的参数]
 * @param  int $ipost [是否采用POST形式]
 * @return  string
 */
  function juhecurl($url,$params=false,$ispost=0){
      $httpInfo = array();
      $ch = curl_init();
   
      curl_setopt( $ch, CURLOPT_HTTP_VERSION , CURL_HTTP_VERSION_1_1 );
      curl_setopt( $ch, CURLOPT_USERAGENT , 'JuheData' );
      curl_setopt( $ch, CURLOPT_CONNECTTIMEOUT , 60 );
      curl_setopt( $ch, CURLOPT_TIMEOUT , 60);
      curl_setopt( $ch, CURLOPT_RETURNTRANSFER , true );
      curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
      if( $ispost )
      {
          curl_setopt( $ch , CURLOPT_POST , true );
          curl_setopt( $ch , CURLOPT_POSTFIELDS , $params );
          curl_setopt( $ch , CURLOPT_URL , $url );
      }
      else
      {
          if($params){
              curl_setopt( $ch , CURLOPT_URL , $url.'?'.$params );
          }else{
              curl_setopt( $ch , CURLOPT_URL , $url);
          }
      }
      $response = curl_exec( $ch );
      if ($response === FALSE) {
          //echo "cURL Error: " . curl_error($ch);
          return false;
      }
      $httpCode = curl_getinfo( $ch , CURLINFO_HTTP_CODE );
      $httpInfo = array_merge( $httpInfo , curl_getinfo( $ch ) );
      curl_close( $ch );
      return $response;
  }

?>